2024 KTM 1390 Super Duke R/EVO vs 2025 Harley-Davidson Sportster S

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2024 KTM 1390 Super Duke R/EVO 2024 KTM 1390 Super Duke R/EVO

Sport

Engine
Four stroke, 75° V-twin cylinder, DOHC, 4 valves per cylinder, variable valve system
Power
140 kW / 187.7 hp @ 10 000 rpm
Top Speed
N/A
Weight
200 kg / 440.9 lbs
2025 Harley-Davidson Sportster S 2025 Harley-Davidson Sportster S

Sport

Engine
Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder
Power
121 hp / 90 kW @ 7500 rpm
Top Speed
N/A
Weight
228 kg / 502 lbs
Full Specifications
General
Year20242025
Make ModelKTM 1390 Super Duke R/EVOHarley Davidson Sportster S
Total Produced500 Units-
Dimensions
Seat Height834 mm / 32.9 in765 mm / 30.1 in
Wheelbase-1520 mm / 59.8 in
Ground Clearance149 mm / 5.9 in90 mm / 3.5 in
Height-1085 mm / 42.7 in
Length-2270 mm / 89.42 in
Seat Height (Laden)-734 mm / 28.9 in
Width-840 mm / 33.1 in
Weights & Capacities
Dry Weight200 kg / 440.9 lbs221 kg / 487 lbs
Fuel Capacity17.5 Litres / 4.6 US gal11.7 Litres / 3.1 US gal
Wet Weight-228 kg / 502 lbs
Performance
Max Power140 kW / 187.7 hp @ 10 000 rpm121 hp / 90 kW @ 7500 rpm
Max Torque145 Nm / 106.9 lb-ft @ 8 000 rpm126 Nm / 93 lb-ft @ 6000 rpm
Engine
Displacement1350 cc / 82.3 cu-in1252 cc / 76.4 cu-in
Engine DetailFour stroke, 75° V-twin cylinder, DOHC, 4 valves per cylinder, variable valve systemFour stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder
Bore x Stroke110 x 71 mm105 x 72.3 mm
Compression Ratio-12.0:1
Cooling SystemLiquid cooled with water/oil heat exchangerLiquid cooled
EmissionsEURO5-
ExhaustAkrapovič "slip-on line" exhaust system, Made from titanium with a carbon fiber end cap2-into-1-into-2, catalyst in muffler
Fuel Induction-Electronic Sequential Port Fuel Injection (ESPFI)
IgnitionKeihin EMS with RBW and cruise control, double ignition-
LubricationForced oil lubrication with 3 oil pumpsSemi-dry sump
StarterElectricElectric
Drivetrain
ClutchPASC (TM) slipper clutch, hydraulically actuatedMechanical, 8 plate wet, assist & slip, 1090N
Final Drive525 X-RingBelt, 34/80 ratio
Gear Ratios-1st 12.21 / 2nd 9.022 / 3rd 6.994 / 4th 5.641 / 5th 4.731 / 6th 4.131
Primary Drive-Gear, 49/89 ratio
Transmission / Drive6-speed6 Speed
Chassis
Frame TypeChrome-moly tubular space frame, powder-coatedStressed-member, high strength low alloy steel trellis frame; stamped, cast, and forged junctions; MIG welded; aluminum forged mid-structure
Suspension - FrontFully adjustable WP APEX open cartridge forks43 mm inverted fork with compression, rebound and spring preload adjustability. Aluminium fork triple clamps
Suspension - RearWP APEX PRO Monoshock. Evo: Semi-active technology (SAT)Linkage-mounted, piggyback monoshock with compression, rebound and hydraulic spring preload adjustability
Fork Angle-28°
Lean Angle-35°
Rake-30°
Steering Head Angle65.3°-
SubframeCarbon fiber-
Swingarm-High strength low alloy steel, tubular sections, stamped x-member, forged axle junctions; MIG welded
Trail-148 mm / 5.8 in
Wheel Travel - Front125 mm / 4.9 in92 mm / 3.6 in
Wheel Travel - Rear140 mm / 5.5 in82 mm / 3.2 in
Wheels & Brakes
Brakes - Front2 x 320 mm Brembo Stylema Monobloc four piston, radially mounted caliperSingle 320mm rotor, radially mounted, monoblock, 4-piston caliper
Brakes - RearSingle 240 mm disc Brembo twin-piston fixed caliperSingle 260mm solid uniform expansion rotor, floating single piston caliper
ABSBosch 9.1MP 2.0 (with cornering ABS and SUPERMOTO ABS)Standard
Rims - Front3.5 x 174.5 x 17
Rims - Rear6.00 x 175.0 x 16
Tyres - Front120/70 Michelin Power GP160/70TR17 73V Dunlop- Harley-Davidson Series, radial, GT503
Tyres - Rear200/55 Michelin Power GP180/70R16 77V Dunlop- Harley-Davidson Series, radial, GT503
Wheels7 spoke forged wheelsAluminum cast, satin black

Verdict

Winner on specs

2024 KTM 1390 Super Duke R/EVO

The 2024 KTM 1390 Super Duke R/EVO edges out the 2025 Harley-Davidson Sportster S thanks to its more peak power, higher torque, lighter kerb weight, dual front discs, greater ground clearance, higher rear wheel travel, higher front wheel travel and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2024 KTM 1390 Super Duke R/EVO - Advantages

  • More power: Produces 140 kW vs 121 hp - a meaningful performance advantage.
  • Higher torque: 145 Nm vs 126 Nm - more pulling power across the rev range.
  • Lighter: 200 kg vs 228 kg - easier to handle and less fatiguing on long trips.
  • Dual front discs: Greater stopping power and better heat management under hard braking.
  • Larger displacement: 1350 cc vs 1252 cc - more cubic capacity means broader torque delivery and greater low-end pull.
  • More ground clearance: 149 mm vs 90 mm - better clearance over rocks and obstacles.
  • More rear wheel travel: 140 mm vs 82 mm - absorbs bigger hits and rough terrain better.
  • More front wheel travel: 125 mm vs 92 mm - greater compliance over rough surfaces.

2025 Harley-Davidson Sportster S - Advantages

  • Lower seat height: 765 mm vs 834 mm - accessible to a wider range of rider heights.
  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.

2024 KTM 1390 Super Duke R/EVO vs 2025 Harley-Davidson Sportster S - FAQs

What are the engine differences between the 2024 KTM 1390 Super Duke R/EVO and 2025 Harley-Davidson Sportster S?
The 2024 KTM 1390 Super Duke R/EVO uses Four stroke, 75° V-twin cylinder, DOHC, 4 valves per cylinder, variable valve system, while the 2025 Harley-Davidson Sportster S is powered by Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder.
Which is lighter, the 2024 KTM 1390 Super Duke R/EVO or the 2025 Harley-Davidson Sportster S?
The 2024 KTM 1390 Super Duke R/EVO is lighter at 200 kg compared to 228 kg for the 2025 Harley-Davidson Sportster S - a difference of 28 kg. This is a meaningful difference that affects handling and rider fatigue.
Which has more power, the 2024 KTM 1390 Super Duke R/EVO or the 2025 Harley-Davidson Sportster S?
The 2024 KTM 1390 Super Duke R/EVO produces more peak power at 140 kW, compared to 121 hp for the 2025 Harley-Davidson Sportster S.
Which bike is better for shorter riders, the 2024 KTM 1390 Super Duke R/EVO or the 2025 Harley-Davidson Sportster S?
The 2025 Harley-Davidson Sportster S has the lower seat at 765 mm, making it more accessible. The 2024 KTM 1390 Super Duke R/EVO sits higher at 834 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2024 KTM 1390 Super Duke R/EVO or the 2025 Harley-Davidson Sportster S?
Both are strong choices. The 2024 KTM 1390 Super Duke R/EVO has the edge in more peak power and higher torque, while the 2025 Harley-Davidson Sportster S stands out for lower seat height and fuel injection. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.